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12.27: Sources of Water Pollution

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
algal bloom Over-growth of algae that can lead to oxygen depletion and fish kills.
contaminant Substance that harms the health of the environment or humans.
groundwater Underground water reserves.
limited resource Resource that is used faster than it can be made.
nonpoint source pollution Contaminants that build up from small amounts of contaminants that collect from a large area.
point source pollution Contaminants that enter a water body through a single site of entry.
water pollution Pollution due to contaminants entering the water supply.

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Description
Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Jan 05, 2017
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